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40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/* Verify that a simple, explicit acc loop reduction works inside
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a kernels region. */
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/* { dg-additional-options "--param=openacc-kernels=decompose" } */
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/* { dg-additional-options "-fopt-info-all-omp" }
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{ dg-additional-options "-foffload=-fopt-info-all-omp" } */
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/* { dg-additional-options "--param=openacc-privatization=noisy" }
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{ dg-additional-options "-foffload=--param=openacc-privatization=noisy" }
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Prune a few: uninteresting, and potentially varying depending on GCC configuration (data types):
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{ dg-prune-output {note: variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} } */
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#include <stdlib.h>
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#define N 100
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int
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main ()
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{
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int i, red = 0;
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#pragma acc kernels /* { dg-line l_compute1 } */
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/* { dg-note {OpenACC 'kernels' decomposition: variable 'red' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute1 }
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{ dg-note {variable 'red' made addressable} {} { target *-*-* } l_compute1 } */
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{
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#pragma acc loop reduction (+:red) /* { dg-line l_loop_i1 } */
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/* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_loop_i1 } */
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/* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_i1 } */
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/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_loop_i1 } */
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for (i = 0; i < N; i++)
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red++;
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}
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if (red != N)
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abort ();
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return 0;
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}
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